package com.lh.nk;

import java.util.Stack;
import java.util.concurrent.BlockingDeque;

/**
 * @author: linghao
 * @since: 2023/2/2
 */
public class 用两个栈实现队列NC76 {

    Stack<Integer> stack1 = new Stack<Integer>();
    Stack<Integer> stack2 = new Stack<Integer>();


    public void push(int node) {
        stack1.push(node);
    }

    public int pop() {
        if(stack2.size() == 0){
            while(stack1.size() != 0){
                stack2.push(stack1.pop());
            }
        }
        return stack2.pop();
    }
}
